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| author | Joey Gouly <joey.gouly@arm.com> | 2013-03-14 09:54:43 +0000 |
|---|---|---|
| committer | Joey Gouly <joey.gouly@arm.com> | 2013-03-14 09:54:43 +0000 |
| commit | 96cead513761d287c88a4f05c712aee3b26b9d6f (patch) | |
| tree | 24c61d7927c36601c108c6ee72ff46262b1989b4 | |
| parent | 8ef19a22956defa392df46c79e2d499ab7b16647 (diff) | |
Add support for the 'endian' attribute for OpenCL.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177035 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/clang/Basic/Attr.td | 5 | ||||
| -rw-r--r-- | include/clang/Basic/DiagnosticSemaKinds.td | 2 | ||||
| -rw-r--r-- | lib/Sema/SemaDeclAttr.cpp | 13 | ||||
| -rw-r--r-- | test/SemaOpenCL/endian-attr.cl | 9 |
4 files changed, 29 insertions, 0 deletions
diff --git a/include/clang/Basic/Attr.td b/include/clang/Basic/Attr.td index 53f83e1acf..88cf0f9644 100644 --- a/include/clang/Basic/Attr.td +++ b/include/clang/Basic/Attr.td @@ -632,6 +632,11 @@ def ReqdWorkGroupSize : InheritableAttr { UnsignedArgument<"ZDim">]; } +def Endian : InheritableAttr { + let Spellings = [GNU<"endian">]; + let Args = [IdentifierArgument<"platform">]; +} + def WorkGroupSizeHint : InheritableAttr { let Spellings = [GNU<"work_group_size_hint">]; let Args = [UnsignedArgument<"XDim">, diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td index 87f95aca4b..bd3d1b4e10 100644 --- a/include/clang/Basic/DiagnosticSemaKinds.td +++ b/include/clang/Basic/DiagnosticSemaKinds.td @@ -2150,6 +2150,8 @@ def warn_attribute_protected_visibility : Warning<"target does not support 'protected' visibility; using 'default'">, InGroup<DiagGroup<"unsupported-visibility">>; def err_mismatched_visibility: Error<"visibility does not match previous declaration">; +def warn_attribute_unknown_endian : Warning<"unknown endian '%0'">, + InGroup<IgnoredAttributes>; def note_previous_attribute : Note<"previous attribute is here">; def err_unknown_machine_mode : Error<"unknown machine mode %0">; def err_unsupported_machine_mode : Error<"unsupported machine mode %0">; diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp index c9ccf80191..c6e28c3e61 100644 --- a/lib/Sema/SemaDeclAttr.cpp +++ b/lib/Sema/SemaDeclAttr.cpp @@ -2799,6 +2799,15 @@ static void handleVecTypeHint(Sema &S, Decl *D, const AttributeList &Attr) { ParmType, Attr.getLoc())); } +static void handleEndianAttr(Sema &S, Decl *D, const AttributeList &Attr) { + if (!dyn_cast<VarDecl>(D)) + S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type) << "endian" + << 9; + StringRef EndianType = Attr.getParameterName()->getName(); + if (EndianType != "host" && EndianType != "device") + S.Diag(Attr.getLoc(), diag::warn_attribute_unknown_endian) << EndianType; +} + SectionAttr *Sema::mergeSectionAttr(Decl *D, SourceRange Range, StringRef Name, unsigned AttrSpellingListIndex) { @@ -4783,6 +4792,10 @@ static void ProcessInheritableDeclAttr(Sema &S, Scope *scope, Decl *D, case AttributeList::AT_VecTypeHint: handleVecTypeHint(S, D, Attr); break; + case AttributeList::AT_Endian: + handleEndianAttr(S, D, Attr); + break; + case AttributeList::AT_InitPriority: handleInitPriorityAttr(S, D, Attr); break; diff --git a/test/SemaOpenCL/endian-attr.cl b/test/SemaOpenCL/endian-attr.cl new file mode 100644 index 0000000000..e851cdf90b --- /dev/null +++ b/test/SemaOpenCL/endian-attr.cl @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 -verify %s + +constant long a __attribute__((endian(host))) = 100; + +constant long b __attribute__((endian(device))) = 100; + +constant long c __attribute__((endian(none))) = 100; // expected-warning {{unknown endian 'none'}} + +void func() __attribute__((endian(host))); // expected-warning {{endian attribute only applies to variables}} |